Whether you’re a novice doing something for the first time or just haven’t needed to know for a while, it’s essential to understand what rebar is best for your project. Rebar is primarily helpful in reinforcing concrete and allowing it to stay strong, especially when applying tensile stress to the concrete. Using the right rebar for your project is essential. Luckily there’s a comprehensive list to help.
There are several rebar types and each type is suitable for different uses. The types of rebar are:
- Carbon steel rebar
- European Rebar
- Epoxy coated rebar
- Galvanized rebar
- Glass fiber reinforced polymer
- Stainless steel rebar
- Welded wire fabric.
There are so many types of rebar, and knowing which one is better for your project is tricky. In this article, I’ve created a comprehensive list explaining what each type of rebar is suitable for and what it isn’t suitable for.
The Types Of Rebar And Their Uses
As stated above, there are many diverse types of rebar, and not all of them are equal in their uses. Some kinds of rebar perform better under certain conditions when compared to other types. Below is a list of the different types and their strengths and weaknesses.
Carbon Steel Rebar
Carbon steel rebar, also referred to as black bar, is the most commonly found and used rebar. This kind of rebar gets used for everything, from small to large commercial projects.
The fact that this rebar is so widely used means that it is almost always available and is usually less costly when compared to other types.
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The problem with the black bar is that it’s not suitable for high humidity areas or projects, and should never get used if the project will have water exposure. This weakness is because the carbon steel rebar is more prone to rust and corrosion. However, most consider it the best type because of its strength and versatility.
If you’re looking for a cheap and easy to work with rebar, European rebar is the type you would use. European rebar is made primarily from manganese material, making it much less expensive than the other types of rebar. This type is also much more bendable, making it relatively easy to use on many different projects.
However, the bendable nature of this rebar is also a negative aspect. Since it bends very quickly compared to other types, I don’t recommend using it if you need good structural integrity. European rebar is incredibly ineffective in areas with frequent earthquakes.
Epoxy-coated rebar is precisely the same as carbon steel rebar, except for the one difference that gives it its name, it comes coated with a layer of epoxy. This difference makes it great for many uses, especially in high humidity areas or if the project will contact water. The epoxy layer protects the rebar from corrosion and rust.
However, once again, the strength of this type is also its weakness. The epoxy coating on this type of rebar is incredibly fragile, and if not handled with care, the areas where the epoxy is less effective or has chipped off can lead to structural failure.
NOTE: For more information on epoxy coated rebar and when best to use it, take a look at my article “Disadvantages of Epoxy Coated Rebar & When To Use It”
If you are looking for less corrosion-prone rebar that is easy enough to ship and install, Galvanized rebar is your best bet. This rebar is usually made from alloy steel and has a coating to protect it from water or humidity corrosion. The protective layer gets made from a zinc solution, but this also comes with a downside.
Though Galvanized rebar is excellent for use on high humidity or water contact projects, the rebar price is even higher than the epoxy-coated rebar. According to some, the added corrosion resistance is worth 40% higher prices depending on where you buy it.
Glass Fiber Reinforced Polymer
Glass fiber reinforced polymer, also known as fiberglass rebar, is unique and has unparalleled qualities, making it a favorite. The type of rebar will not rust and has no corrosion effects. The material of this rebar makes it the absolute best for long-standing and water-contacting projects. In addition to not corroding, this rebar is lighter and has a higher tensile strength.
However, what you might make up in shipping costs due to the lighter weight of this rebar, you will pay for in other ways. This high-quality rebar will cost you about ten times more than epoxy-coated rebar.
Stainless Steel Rebar
Another great rebar to use is stainless steel rebar. This type of rebar mainly gets used for big projects like bridges or massive buildings due to its high price, though many say it is the rebar they prefer.
If you are not in the construction business or building an apartment complex, you probably don’t need to worry about using this rebar, as smaller projects are not worth it considering the price. However, this rebar is also great because it’s less likely to corrode and is bendable for specific projects.
Welded Wire Fabric
Welded Wire Fabric is rebar used primarily for smaller projects and is excellent for reinforcing concrete slabs or walls, though it does not compare to proper rebar. This rebar forms by welding a series of wires together.
This type of reinforcement is used primarily for drainage systems and other smaller projects, but you can use it in walls and flooring slabs if you get a high-quality kind. This rebar is the most likely type to use if you do a small backyard project.
NOTE: You can more about welding rebar in my article, “Which Rebar is Most Weldable”. It’s full of some great tips on using rebar that needs welding.
Ideal Uses For Types Of Rebar
Now that we have discussed all the rebar types mentioned above, let’s talk about what they most commonly get used for or where you would use them.
- Carbon Steel Rebar – Carbon steel rebar, the most popular type of rebar, is used for almost all projects. You can find it in construction or smaller decorative structures. The main focus point is that this rebar should not touch water or be in a high-humidity area.
- European Rebar – European rebar is more commonly used for things that do not need great structural integrity.
- Epoxy-Coated Rebar – Epoxy-coated rebar is used in various scenarios requiring construction to mix with water since it is the same carbon steel rebar. This rebar is ideal for things like repairs or underwater construction.
- Galvanized Rebar – Galvanized rebar is preferable if you have a weight limit or need a rebar that is less likely or slower to corrode.
- Glass Fiber Reinforced Polymer – This rebar does not corrode and is not magnetic. These factors make it great for use in labs, hospitals, medical, or scientific facilities.
- Stainless Steel Rebar – Stainless steel rebar can be helpful in various places like foundations, marine structures, or even bridges.
- Welded Wire Fabric – Depending on the strength of the rebar, this type is helpful for pavements, walls, or flooring.
If you are still unsure of what type of rebar to use for your project, you should ask a professional for guidance to ensure your safety.
There are many different rebar types, and some get used for similar or very different things. It is essential to determine what type of rebar is best for the project before buying any or beginning construction. Buying the wrong type of rebar for your project could waste a lot of money and put lives at risk. If you are uncertain of what type to use, consult a professional.